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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [hpread.h] - Blame information for rev 104

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1 104 markom
/* hpread.h
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 * Common include file for:
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 *   hp_symtab_read.c
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 *   hp_psymtab_read.c
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 */
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/* Copyright 1993, 1996 Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.
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   Written by the Center for Software Science at the University of Utah
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   and by Cygnus Support.  */
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#include "defs.h"
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#include "bfd.h"
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#include "gdb_string.h"
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#include "hp-symtab.h"
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#include "syms.h"
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#include "symtab.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "buildsym.h"
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#include "complaints.h"
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#include "gdb-stabs.h"
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#include "gdbtypes.h"
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#include "demangle.h"
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/* Private information attached to an objfile which we use to find
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   and internalize the HP C debug symbols within that objfile.  */
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struct hpread_symfile_info
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  {
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    /* The contents of each of the debug sections (there are 4 of them).  */
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    char *gntt;
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    char *lntt;
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    char *slt;
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    char *vt;
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    /* We keep the size of the $VT$ section for range checking.  */
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    unsigned int vt_size;
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    /* Some routines still need to know the number of symbols in the
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       main debug sections ($LNTT$ and $GNTT$). */
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    unsigned int lntt_symcount;
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    unsigned int gntt_symcount;
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    /* To keep track of all the types we've processed.  */
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    struct type **type_vector;
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    int type_vector_length;
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    /* Keeps track of the beginning of a range of source lines.  */
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    sltpointer sl_index;
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    /* Some state variables we'll need.  */
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    int within_function;
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    /* Keep track of the current function's address.  We may need to look
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       up something based on this address.  */
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    unsigned int current_function_value;
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  };
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/* Accessor macros to get at the fields.  */
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#define HPUX_SYMFILE_INFO(o) \
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  ((struct hpread_symfile_info *)((o)->sym_private))
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#define GNTT(o)                 (HPUX_SYMFILE_INFO(o)->gntt)
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#define LNTT(o)                 (HPUX_SYMFILE_INFO(o)->lntt)
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#define SLT(o)                  (HPUX_SYMFILE_INFO(o)->slt)
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#define VT(o)                   (HPUX_SYMFILE_INFO(o)->vt)
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#define VT_SIZE(o)              (HPUX_SYMFILE_INFO(o)->vt_size)
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#define LNTT_SYMCOUNT(o)        (HPUX_SYMFILE_INFO(o)->lntt_symcount)
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#define GNTT_SYMCOUNT(o)        (HPUX_SYMFILE_INFO(o)->gntt_symcount)
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#define TYPE_VECTOR(o)          (HPUX_SYMFILE_INFO(o)->type_vector)
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#define TYPE_VECTOR_LENGTH(o)   (HPUX_SYMFILE_INFO(o)->type_vector_length)
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#define SL_INDEX(o)             (HPUX_SYMFILE_INFO(o)->sl_index)
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#define WITHIN_FUNCTION(o)      (HPUX_SYMFILE_INFO(o)->within_function)
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#define CURRENT_FUNCTION_VALUE(o) (HPUX_SYMFILE_INFO(o)->current_function_value)
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/* Given the native debug symbol SYM, set NAMEP to the name associated
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   with the debug symbol.  Note we may be called with a debug symbol which
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   has no associated name, in that case we return an empty string.
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   Also note we "know" that the name for any symbol is always in the
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   same place.  Hence we don't have to conditionalize on the symbol type.  */
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#define SET_NAMESTRING(SYM, NAMEP, OBJFILE) \
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  if (! hpread_has_name ((SYM)->dblock.kind)) \
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    *NAMEP = ""; \
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  else if (((unsigned)(SYM)->dsfile.name) >= VT_SIZE (OBJFILE)) \
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    { \
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      complain (&string_table_offset_complaint, (char *) symnum); \
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      *NAMEP = ""; \
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    } \
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  else \
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    *NAMEP = (SYM)->dsfile.name + VT (OBJFILE)
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/* We put a pointer to this structure in the read_symtab_private field
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   of the psymtab.  */
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struct symloc
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  {
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    /* The offset within the file symbol table of first local symbol for
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       this file.  */
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    int ldsymoff;
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    /* Length (in bytes) of the section of the symbol table devoted to
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       this file's symbols (actually, the section bracketed may contain
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       more than just this file's symbols).  If ldsymlen is 0, the only
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       reason for this thing's existence is the dependency list.
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       Nothing else will happen when it is read in.  */
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    int ldsymlen;
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  };
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#define LDSYMOFF(p) (((struct symloc *)((p)->read_symtab_private))->ldsymoff)
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#define LDSYMLEN(p) (((struct symloc *)((p)->read_symtab_private))->ldsymlen)
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#define SYMLOC(p) ((struct symloc *)((p)->read_symtab_private))
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/* FIXME: Shouldn't this stuff be in a .h file somewhere?  */
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/* Nonzero means give verbose info on gdb action.  */
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extern int info_verbose;
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/* Complaints about the symbols we have encountered.  */
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extern struct complaint string_table_offset_complaint;
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extern struct complaint lbrac_unmatched_complaint;
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extern struct complaint lbrac_mismatch_complaint;
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extern union sltentry *hpread_get_slt
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  PARAMS ((int, struct objfile *));
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extern union dnttentry *hpread_get_lntt
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  PARAMS ((int, struct objfile *));
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int hpread_has_name
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  PARAMS ((enum dntt_entry_type));
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/* end of hpread.h */

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